From 227eb8887f1a716ac90118b8fd26fc673e967c72 Mon Sep 17 00:00:00 2001 From: siemargl Date: Sun, 5 Jun 2016 17:15:52 +0000 Subject: [PATCH] debugger info, big stack opt git-svn-id: svn://kolibrios.org@6441 a494cfbc-eb01-0410-851d-a64ba20cac60 --- .../ktcc/trunk/libc/include/kos32sys1.h | 236 ++++++++++++------ .../develop/ktcc/trunk/libc/include/stdio.h | 34 ++- .../develop/ktcc/trunk/libctest/strtod_long.c | 2 +- .../develop/ktcc/trunk/libctest/tstring.c | 5 +- programs/develop/ktcc/trunk/source/config.h | 2 +- programs/develop/ktcc/trunk/source/libtcc.c | 13 +- .../ktcc/trunk/source/readme_kos32.txt | 38 +++ programs/develop/ktcc/trunk/source/tcc.c | 3 +- programs/develop/ktcc/trunk/source/tccmeos.c | 215 +++++++++++++++- 9 files changed, 438 insertions(+), 110 deletions(-) diff --git a/programs/develop/ktcc/trunk/libc/include/kos32sys1.h b/programs/develop/ktcc/trunk/libc/include/kos32sys1.h index 99f5aca557..55c3f9d5a4 100644 --- a/programs/develop/ktcc/trunk/libc/include/kos32sys1.h +++ b/programs/develop/ktcc/trunk/libc/include/kos32sys1.h @@ -27,6 +27,21 @@ extern "C" { #define TYPE_3_BORDER_WIDTH 5 #define WIN_STATE_MINIMIZED 0x02 #define WIN_STATE_ROLLED 0x04 +#define POS_SCREEN 0 +#define POS_WINDOW 1 + +#define IPC_NOBUFFER 1 +#define IPC_LOCKED 2 +#define IPC_OVERFLOW 3 +#define IPC_NOPID 4 + +#define SHM_OPEN 0x00 +#define SHM_OPEN_ALWAYS 0x04 +#define SHM_CREATE 0x08 +#define SHM_READ 0x00 +#define SHM_WRITE 0x01 + + typedef unsigned int color_t; @@ -63,6 +78,60 @@ typedef struct int out_size; }ioctl_t; +typedef union +{ + struct + { + void *data; + size_t size; + } x; + unsigned long long raw; +}ufile_t; + +struct kolibri_system_colors { + color_t frame_area; + color_t grab_bar; + color_t grab_bar_button; + color_t grab_button_text; + color_t grab_text; + color_t work_area; + color_t work_button; + color_t work_button_text; + color_t work_text; + color_t work_graph; +}; + + +struct blit_call +{ + int dstx; + int dsty; + int w; + int h; + + int srcx; + int srcy; + int srcw; + int srch; + + void *bitmap; + int stride; +}; + +struct ipc_message +{ + uint32_t pid; // PID of sending thread + uint32_t datalen; // data bytes + char data[0]; // data begin +}; + +struct ipc_buffer +{ + uint32_t lock; // nonzero is locked + uint32_t used; // used bytes in buffer + struct ipc_message data[0]; // data begin +}; + static inline void begin_draw(void) { __asm__ __volatile__( @@ -155,26 +224,6 @@ uint32_t get_skin_height(void) return height; }; -/* -// TinyC dont support aliasing of static inline funcs -static inline void BeginDraw(void) __attribute__ ((alias ("begin_draw"))); -static inline void EndDraw(void) __attribute__ ((alias ("end_draw"))); -static inline void DrawWindow(int x, int y, int w, int h, const char *name, - color_t workcolor, uint32_t style) - __attribute__ ((alias ("sys_create_window"))); -static inline void DefineButton(void) __attribute__ ((alias ("define_button"))); -static inline void DrawLine(int xs, int ys, int xe, int ye, color_t color) - __attribute__ ((alias ("draw_line"))); -static inline void DrawBar(int x, int y, int w, int h, color_t color) - __attribute__ ((alias ("draw_bar"))); -static inline void DrawBitmap(void *bitmap, int x, int y, int w, int h) - __attribute__ ((alias ("draw_bitmap"))); -static inline uint32_t GetSkinHeight(void) __attribute__ ((alias ("get_skin_height"))); -*/ - -#define POS_SCREEN 0 -#define POS_WINDOW 1 - static inline pos_t get_mouse_pos(int origin) { @@ -243,15 +292,6 @@ static inline int destroy_cursor(uint32_t cursor) return ret; }; -/* -static inline pos_t GetMousePos(int origin) __attribute__ ((alias ("get_mouse_pos"))); -static inline uint32_t GetMouseButtons(void) __attribute__ ((alias ("get_mouse_buttons"))); -static inline uint32_t GetMouseWheels(void) __attribute__ ((alias ("get_mouse_wheels"))); - -static inline uint32_t LoadCursor(void *path, uint32_t flags) __attribute__ ((alias ("load_cursor"))); -static inline uint32_t SetCursor(uint32_t cursor) __attribute__ ((alias ("set_cursor"))); -static inline int DestroyCursor(uint32_t cursor) __attribute__ ((alias ("destroy_cursor"))); -*/ static inline uint32_t wait_for_event(uint32_t time) @@ -283,7 +323,6 @@ static inline uint32_t get_os_event() :"a"(10)); return val; }; -//static inline uint32_t GetOsEvent(void) __attribute__ ((alias ("get_os_event"))); static inline uint32_t get_tick_count(void) @@ -416,23 +455,6 @@ int *user_unmap(void *base, size_t offset, size_t size) return val; }; -/* -static inline void *UserAlloc(size_t size) __attribute__ ((alias ("user_alloc"))); -static inline int UserFree(void *mem) __attribute__ ((alias ("user_free"))); -static inline void* UserRealloc(void *mem, size_t size) __attribute__ ((alias ("user_realloc"))); -static inline int *UserUnmap(void *base, size_t offset, size_t size) __attribute__ ((alias ("user_unmap"))); -*/ - -typedef union -{ - struct - { - void *data; - size_t size; - } x; - unsigned long long raw; -}ufile_t; - static inline ufile_t load_file(const char *path) { ufile_t uf; @@ -444,7 +466,6 @@ static inline ufile_t load_file(const char *path) return uf; }; -//static inline ufile_t LoadFile(const char *path) __attribute__ ((alias ("load_file"))); static inline int GetScreenSize() { @@ -466,24 +487,6 @@ static inline void get_proc_info(char *info) :"a"(9), "b"(info), "c"(-1) :"memory"); }; -//static inline void GetProcInfo(char *info) __attribute__ ((alias ("get_proc_info"))); - - -struct blit_call -{ - int dstx; - int dsty; - int w; - int h; - - int srcx; - int srcy; - int srcw; - int srch; - - void *bitmap; - int stride; -}; static inline void Blit(void *bitmap, int dst_x, int dst_y, int src_x, int src_y, int w, int h, @@ -507,6 +510,9 @@ static inline void Blit(void *bitmap, int dst_x, int dst_y, ::"a"(73),"b"(0),"c"(&bc.dstx)); }; + +// newlib exclusive +#ifndef __TINYC__ int create_thread(int (*proc)(void *param), void *param, int stack_size); void* load_library(const char *name); @@ -516,7 +522,7 @@ void* get_proc_address(void *handle, const char *proc_name); void enumerate_libraries(int (*callback)(void *handle, const char* name, uint32_t base, uint32_t size, void *user_data), void *user_data); - +#endif // May be next section need to be added in newlibc @@ -577,19 +583,6 @@ int kol_clip_unlock() return val; } -struct kolibri_system_colors { - color_t frame_area; - color_t grab_bar; - color_t grab_bar_button; - color_t grab_button_text; - color_t grab_text; - color_t work_area; - color_t work_button; - color_t work_button_text; - color_t work_text; - color_t work_graph; -}; - static inline void get_system_colors(struct kolibri_system_colors *color_table) { __asm__ volatile ("int $0x40" @@ -640,7 +633,7 @@ uint32_t set_event_mask(uint32_t mask) typedef void (*thread_proc)(void*); -static inline +static inline int start_thread(thread_proc proc, char* stack_top) { register int val; @@ -674,6 +667,55 @@ static inline int get_current_folder(char* buf, int bufsize){ return val; } +static inline +void ipc_set_area(void* buf, int bufsize){ + asm volatile ("int $0x40"::"a"(60), "b"(1), "c"(buf), "d"(bufsize)); +} + +static inline +int ipc_send_message(int pid_reciever, void *data, int datalen) { + register int val; + asm volatile ("int $0x40":"=a"(val):"a"(60), "b"(2), "c"(pid_reciever), "d"(data), "S"(datalen)); + return val; +} + +static inline +void* shm_open(char *shm_name, int msize, int flags, int *retsz){ + register int val, cod; + asm volatile ("int $0x40":"=a"(val),"=d"(cod):"a"(68), "b"(22), "c"(shm_name), "d"(msize), "S"(flags)); + + if(retsz) *retsz = cod; // errcode if NULL or memsize when open + return (void*)val; +} + +static inline +void shm_close(char *shm_name){ + asm volatile ("int $0x40"::"a"(68), "b"(23), "c"(shm_name)); +} + +static inline +int start_app(char *app_name, char *args){ + struct file_op_t + { + uint32_t fn; + uint32_t flags; + char* args; + uint32_t res1, res2; + char zero; + char* app_name __attribute__((packed)); + } file_op; + memset(&file_op, 0, sizeof(file_op)); + file_op.fn = 7; + file_op.args = args; + file_op.app_name = app_name; + + register int val; + asm volatile ("int $0x40":"=a"(val):"a"(70), "b"(&file_op)); + + return val; +} + + /* static inline char *getcwd(char *buf, size_t size) { @@ -713,6 +755,38 @@ void __attribute__ ((noinline)) debug_board_printf(const char *format,...) } */ + + +// TinyC don't support aliasing of static inline funcs +#ifndef __TINYC__ +static inline void BeginDraw(void) __attribute__ ((alias ("begin_draw"))); +static inline void EndDraw(void) __attribute__ ((alias ("end_draw"))); +static inline void DrawWindow(int x, int y, int w, int h, const char *name, + color_t workcolor, uint32_t style) + __attribute__ ((alias ("sys_create_window"))); +static inline void DefineButton(void) __attribute__ ((alias ("define_button"))); +static inline void DrawLine(int xs, int ys, int xe, int ye, color_t color) + __attribute__ ((alias ("draw_line"))); +static inline void DrawBar(int x, int y, int w, int h, color_t color) + __attribute__ ((alias ("draw_bar"))); +static inline void DrawBitmap(void *bitmap, int x, int y, int w, int h) + __attribute__ ((alias ("draw_bitmap"))); +static inline uint32_t GetSkinHeight(void) __attribute__ ((alias ("get_skin_height"))); +static inline pos_t GetMousePos(int origin) __attribute__ ((alias ("get_mouse_pos"))); +static inline uint32_t GetMouseButtons(void) __attribute__ ((alias ("get_mouse_buttons"))); +static inline uint32_t GetMouseWheels(void) __attribute__ ((alias ("get_mouse_wheels"))); +static inline uint32_t LoadCursor(void *path, uint32_t flags) __attribute__ ((alias ("load_cursor"))); +static inline uint32_t SetCursor(uint32_t cursor) __attribute__ ((alias ("set_cursor"))); +static inline int DestroyCursor(uint32_t cursor) __attribute__ ((alias ("destroy_cursor"))); +static inline uint32_t GetOsEvent(void) __attribute__ ((alias ("get_os_event"))); +static inline void *UserAlloc(size_t size) __attribute__ ((alias ("user_alloc"))); +static inline int UserFree(void *mem) __attribute__ ((alias ("user_free"))); +static inline void* UserRealloc(void *mem, size_t size) __attribute__ ((alias ("user_realloc"))); +static inline int *UserUnmap(void *base, size_t offset, size_t size) __attribute__ ((alias ("user_unmap"))); +static inline ufile_t LoadFile(const char *path) __attribute__ ((alias ("load_file"))); +static inline void GetProcInfo(char *info) __attribute__ ((alias ("get_proc_info"))); +#endif + #ifdef __cplusplus } #endif diff --git a/programs/develop/ktcc/trunk/libc/include/stdio.h b/programs/develop/ktcc/trunk/libc/include/stdio.h index f931007d8b..0db71099c4 100644 --- a/programs/develop/ktcc/trunk/libc/include/stdio.h +++ b/programs/develop/ktcc/trunk/libc/include/stdio.h @@ -92,19 +92,27 @@ int vfprintf ( FILE * stream, const char * format, va_list arg ); extern int errno; /* errors codes from KOS, but minus */ -#define E_SUCCESS (0) -#define E_UNSUPPORTED (-2) -#define E_UNKNOWNFS (-3) -#define E_NOTFOUND (-5) -#define E_EOF (-6) -#define E_INVALIDPTR (-7) -#define E_DISKFULL (-8) -#define E_FSYSERROR (-9) -#define E_ACCESS (-10) -#define E_HARDWARE (-11) -#define E_NOMEM (-12) +#ifndef E_SUCCESS + +# define E_SUCCESS (0) +# define E_UNSUPPORTED (-2) +# define E_UNKNOWNFS (-3) +# define E_NOTFOUND (-5) +# define E_EOF (-6) +# define E_INVALIDPTR (-7) +# define E_DISKFULL (-8) +# define E_FSYSERROR (-9) +# define E_ACCESS (-10) +# define E_HARDWARE (-11) +# define E_NOMEM (-12) /* conversion errors */ -#define ERANGE (-20) -#define EINVAL (-21) +# define ERANGE (-20) +# define EINVAL (-21) +/* program run and pipe errors */ +# define E_NOMEM2 (-30) +# define E_FILEFMT (-31) +# define E_TOOMANY (-32) +# define E_PARAM (-33) +#endif #endif diff --git a/programs/develop/ktcc/trunk/libctest/strtod_long.c b/programs/develop/ktcc/trunk/libctest/strtod_long.c index a6aa777add..c13abe6f2a 100644 --- a/programs/develop/ktcc/trunk/libctest/strtod_long.c +++ b/programs/develop/ktcc/trunk/libctest/strtod_long.c @@ -13,7 +13,7 @@ int main(void) buf[sizeof buf - 1] = 0; if ((x=strtod(buf, 0)) != want) - t_error("strtod(.11[...]1) got %a want %a\n", x, want); + t_error("strtod(.11[...]1) got %.18f want %.18f\n", x, want); printf("%s finished\n", __FILE__); return t_status; diff --git a/programs/develop/ktcc/trunk/libctest/tstring.c b/programs/develop/ktcc/trunk/libctest/tstring.c index 6d9eaf8ea7..0b0c1e04cd 100644 --- a/programs/develop/ktcc/trunk/libctest/tstring.c +++ b/programs/develop/ktcc/trunk/libctest/tstring.c @@ -346,9 +346,12 @@ int main() j = ((2 * j) >> 2) << 2; } -printf("%s finished\n", __FILE__); + printf("\n %s finished\n", __FILE__); if (test_failed) + { + printf("\n %s FAILED\n", __FILE__); abort(); + } else exit(0); } \ No newline at end of file diff --git a/programs/develop/ktcc/trunk/source/config.h b/programs/develop/ktcc/trunk/source/config.h index 846b747a94..85a371d323 100644 --- a/programs/develop/ktcc/trunk/source/config.h +++ b/programs/develop/ktcc/trunk/source/config.h @@ -5,4 +5,4 @@ #define ONE_SOURCE //#define COMMIT_4ad186c5ef61_IS_FIXED - +//#define CONFIG_TCC_BCHECK diff --git a/programs/develop/ktcc/trunk/source/libtcc.c b/programs/develop/ktcc/trunk/source/libtcc.c index 99c505085a..ecd90a467e 100644 --- a/programs/develop/ktcc/trunk/source/libtcc.c +++ b/programs/develop/ktcc/trunk/source/libtcc.c @@ -327,7 +327,7 @@ PUB_FUNC void tcc_free_debug(void *ptr) mem_cur_size -= header->size; header->size = (size_t)-1; - + if (header->next) header->next->prev = header->prev; @@ -1865,7 +1865,7 @@ static char *copy_linker_arg(const char *p) /* set linker options */ static int tcc_set_linker(TCCState *s, const char *option) -{ +{ while (option && *option) { const char *p = option; @@ -2012,7 +2012,8 @@ enum { TCC_OPTION_E, TCC_OPTION_MD, TCC_OPTION_MF, - TCC_OPTION_x + TCC_OPTION_x, + TCC_OPTION_stack }; #define TCC_OPTION_HAS_ARG 0x0001 @@ -2073,6 +2074,7 @@ static const TCCOption tcc_options[] = { { "MD", TCC_OPTION_MD, 0}, { "MF", TCC_OPTION_MF, TCC_OPTION_HAS_ARG }, { "x", TCC_OPTION_x, TCC_OPTION_HAS_ARG }, + { "stack", TCC_OPTION_stack, TCC_OPTION_HAS_ARG | TCC_OPTION_NOSEP}, { NULL, 0, 0 }, }; @@ -2394,6 +2396,11 @@ ST_FUNC int tcc_parse_args1(TCCState *s, int argc, char **argv) case TCC_OPTION_pipe: /* ignored */ break; + case TCC_OPTION_stack: +#ifdef TCC_TARGET_MEOS + s->pe_stack_size = strtoul(optarg+1, NULL, 10); +#endif + break; default: if (s->warn_unsupported) { unsupported_option: diff --git a/programs/develop/ktcc/trunk/source/readme_kos32.txt b/programs/develop/ktcc/trunk/source/readme_kos32.txt index 9134990992..64b3635905 100644 --- a/programs/develop/ktcc/trunk/source/readme_kos32.txt +++ b/programs/develop/ktcc/trunk/source/readme_kos32.txt @@ -19,6 +19,9 @@ otherwise (error) underscoring all symbols, not only cdecl -impossible using with mingw-gcc compiled lib, incompatible library format: .o is PE-format from gcc but ELF from tcc, may be linux-gcc does it ok -no symbols (mapfile) for debug, see howtodebugtcc +-no debug info for -g (kos32 linker imperfection) +-__fastcall incompatible with other compilers. now stack freed by caller. + must fix i386-gen.c@490,572 (fixed in other branch https://github.com/mirror/tinycc) -using __attribute__((packed)) see test82. need naming struct twice as in kos32sys1.h @@ -108,3 +111,38 @@ string.h strxfrm + Status or libc tests + +---FAILED--- +tstring - need to fix + + +---NOT TESTED--- +no library fns realized +qsort +strtol +time + +---HANG--- +sscanf +>TEST_F(0x1234p56) - no %a formats + + +---STACK IS SMALL--- +tstring +strtodlong +use new -stack=1280000 option + + +--other-- +fscanf +-?scanf ignores width specs, '*' and [chars], cant read %a float +-%n counts as parameter + +snprintf +-some format misturbances + +ungetc +-ungetc fails if filepos == 0 - no tricks + +all file ops limited to 2Gb diff --git a/programs/develop/ktcc/trunk/source/tcc.c b/programs/develop/ktcc/trunk/source/tcc.c index b15684aa0d..172e92f1e7 100644 --- a/programs/develop/ktcc/trunk/source/tcc.c +++ b/programs/develop/ktcc/trunk/source/tcc.c @@ -1,6 +1,6 @@ /* * TCC - Tiny C Compiler - * + * * Copyright (c) 2001-2004 Fabrice Bellard * * This library is free software; you can redistribute it and/or @@ -113,6 +113,7 @@ static void help(void) " -soname set name for shared library to be used at runtime\n" " -static static linking\n" " -Wl,-opt[=val] set linker option (see manual)\n" + " -stack=size set PE/KOS32 stack size\n" "Debugger options:\n" " -g generate runtime debug info\n" #ifdef CONFIG_TCC_BCHECK diff --git a/programs/develop/ktcc/trunk/source/tccmeos.c b/programs/develop/ktcc/trunk/source/tccmeos.c index 603695e79d..b02ba0dd44 100644 --- a/programs/develop/ktcc/trunk/source/tccmeos.c +++ b/programs/develop/ktcc/trunk/source/tccmeos.c @@ -1,6 +1,6 @@ /* * TCCMEOS.C - KolibriOS/MenuetOS file output for the TinyC Compiler - * + * * Copyright (c) 2006 Andrey Khalyavin * * This library is free software; you can redistribute it and/or @@ -43,6 +43,9 @@ typedef struct { meos_section_info* bss_sections; } me_info; +int tcc_output_dbgme(const char *filename, me_info* me); + + meos_section_info* findsection(me_info* me,int num) { meos_section_info* si; @@ -67,7 +70,7 @@ meos_section_info* findsection(me_info* me,int num) void build_reloc(me_info* me) { int flag; - Elf32_Rel *rel, *rel_, *rel_end; + Elf32_Rel *rel = 0, *rel_ = 0, *rel_end = 0; Section *sr; meos_section_info* s; meos_section_info* ss; @@ -96,7 +99,7 @@ void build_reloc(me_info* me) Elf32_Sym* esym = ((Elf32_Sym *)symtab_section->data)+sym; int sect=esym->st_shndx; ss=findsection(me,sect); - if (ss==0) + if (ss==0) { const char *sym_name = strtab_section->data + esym->st_name; tcc_error_noabort("undefined symbol '%s'", sym_name); @@ -111,7 +114,7 @@ void build_reloc(me_info* me) } rel=rel_; s=s->next; - if (s==0) + if (s==0) // what about multiple BSS sections ? { if (flag) break; s=me->data_sections; @@ -152,6 +155,7 @@ void assign_addresses(me_info* me) if (strcmp(".bss",s->name)==0) { si=tcc_malloc(sizeof(meos_section_info)); + si->data=s->data; si->data_size=s->data_offset; si->next=me->bss_sections; si->sec_num=i; @@ -176,8 +180,11 @@ void assign_addresses(me_info* me) { si->sh_addr=addr; addr+=si->data_size; - } - addr+=4096; + } + if (me->s1->pe_stack_size < 4096) + addr+=4096; + else + addr += me->s1->pe_stack_size; addr=(addr+4)&(~3); me->header.stack=addr; me->header.memory_size=addr; @@ -185,7 +192,7 @@ void assign_addresses(me_info* me) } -const char *tcc_get_symbol_name(int st_name) +const char *tcc_get_symbol_name(int st_name) // return string by index from stringtable section { const char *sym_name = strtab_section->data + st_name; @@ -245,10 +252,14 @@ int tcc_output_me(TCCState* s1,const char *filename) me.s1=s1; relocate_common_syms(); assign_addresses(&me); + + if (s1->do_debug) + tcc_output_dbgme(filename, &me); + me.header.entry_point=tcc_find_symbol_me(&me,"start"); me.header.params= tcc_find_symbol_me(&me,"__argv"); // <-- me.header.argv= tcc_find_symbol_me(&me,"__path"); // <-- - + f=fopen(filename,"wb"); for (i=0;i<8;i++) me.header.magic[i]=me_magic[i]; @@ -261,7 +272,15 @@ int tcc_output_me(TCCState* s1,const char *filename) for(si=me.code_sections;si;si=si->next) fwrite(si->data,1,si->data_size,f); for (si=me.data_sections;si;si=si->next) - fwrite(si->data,1,si->data_size,f); + fwrite(si->data,1,si->data_size,f); + for (si=me.bss_sections;si;si=si->next) + fwrite(si->data,1,si->data_size,f); +/* + if (me.bss_sections) // Siemargl testin, what we lose + { + tcc_error_noabort("We lose .BSS section when linking KOS32 executable"); + } +*/ fclose(f); return 0; } @@ -288,3 +307,181 @@ char *getcwd(char *buf, size_t size) } #endif + + +static FILE *src_file; +static int next_src_line; + +void close_source_file() +{ + if (src_file) + fclose(src_file); + src_file = NULL; +} + +void load_source_file(char *fname) +{ + close_source_file(); + src_file = fopen(fname,"rt"); + if (!src_file) return; + next_src_line = 1; +} + +int get_src_lines(char *buf, int sz, int start, int end) +// 1 if read +{ + char line[255], *ch; + strcpy(buf, ""); + if (!src_file) return 0; + while (next_src_line < start) // skip + { + ch = fgets(line, sizeof line, src_file); + if (!ch) return 0; + next_src_line++; + } + while (next_src_line <= end) + { + ch = fgets(line, sizeof line, src_file); + if (!ch) return 0; + next_src_line++; + strncat(buf, line, sz - strlen(buf) - 1); + } + // remove newlines + for (ch = buf; *ch; ch++) + if (strchr("\t\n\r", *ch)) *ch = ' '; + + return 1; +} + +int tcc_output_dbgme(const char *filename, me_info* me) +// by Siemargl. Writes filename.dbg file for source code level debuggin with MTDBG +// return 1 on error +{ + FILE *fdbg; + char fname[400], buf[200]; + + strcpy(fname, filename); + strcat(fname, ".dbg"); + fdbg = fopen(fname,"wt"); + if (!fdbg) return 1; + + meos_section_info *si, *ss; + fputs(".text\n", fdbg); // just for mtbg + + // print symbol table with resolved addresses + Elf32_Sym* esym; + for (esym = (Elf32_Sym*)symtab_section->data; esym <= (Elf32_Sym*)(symtab_section->data + symtab_section->data_offset); esym++) + { + if (esym->st_info == 0 || esym->st_info == 4) continue; + int sect = esym->st_shndx; + ss = findsection(me, sect); + const char *sym_name = strtab_section->data + esym->st_name; + if (ss == 0) + { + fprintf(fdbg, "undefined symbol '%s' type(%d)\n", sym_name, esym->st_info); + continue; + } + fprintf(fdbg, "0x%X %s\n", ss->sh_addr + esym->st_value, sym_name); // removed type(%d) esym->st_info + } + + fputs(".text source code links\n", fdbg); // just for mtbg + // print symbol table with resolved addresses + Stab_Sym *stab; + char *str = "", *cur_file = "???", cur_fun[255]; + int cur_line = 0, cur_fun_addr = 0, fun_flag = 0; + strcpy(cur_fun, "fn???"); + for (stab = (Stab_Sym*)stab_section->data; stab <= (Stab_Sym*)(stab_section->data + stab_section->data_offset); stab++) + { + str = ""; + switch(stab->n_type) + { + case 100: // source file, or path + if (stab->n_strx) + { + cur_file = stabstr_section->data + stab->n_strx; + load_source_file(cur_file); + } + else + cur_file = "???"; + strcpy(cur_fun, "fn???"); + cur_line = 0; + cur_fun_addr = 0; + fun_flag = 0; + break; + case 36: // func + cur_fun_addr = 0; + if (stab->n_strx) + { + strcpy(cur_fun, stabstr_section->data + stab->n_strx); + str = strchr(cur_fun, ':'); + if (str) *str = '\0'; + cur_fun_addr = tcc_find_symbol_me(me, cur_fun); + cur_line = stab->n_desc; + fun_flag = 1; + //fprintf(fdbg, "0x%X %s() line(%d)\n", cur_fun_addr, cur_fun, cur_line); // commented as conflicted with direct address + } + else + strcpy(cur_fun, "fn???"); + break; + case 68: // N_SLINE + if (stab->n_value == 0 ) continue; // skip zero offset line + if (fun_flag) // skip string {, as duplicates address + { + fun_flag = 0; + continue; + } + + int line; + if (stab->n_desc > cur_line) + line = cur_line + 1; + else + line = cur_line; + //fprintf(fdbg, "0x%X LINES %d-%d \n", cur_fun_addr + stab->n_value, line, stab->n_desc); + if (get_src_lines(buf, sizeof buf, line, stab->n_desc)) + fprintf(fdbg, "0x%X %s\n", cur_fun_addr + stab->n_value, buf); + + cur_line = stab->n_desc; + break; + default: + continue; + } +/* + if (stab->n_strx) + str = stabstr_section->data + stab->n_strx; + fprintf(fdbg, "0x%X type(%d) str(%s) desc(%d)\n", stab->n_value, stab->n_type, str, stab->n_desc); +*/ + } + +/* for(; si; si = si->next) + { + Section *sr; + Elf32_Rel *rel, *rel_end; + for(sr = me->s1->sections[si->sec_num]->reloc; sr; ) + { + for (rel = (Elf32_Rel *) sr->data, rel_end = (Elf32_Rel *) (sr->data + sr->data_offset); rel < rel_end; rel++) + { + int type = ELF32_R_TYPE(rel->r_info); + if (type != R_386_PC32 && type != R_386_32) + continue; + int sym = ELF32_R_SYM(rel->r_info); + if (sym > symtab_section->data_offset / sizeof(Elf32_Sym)) + continue; + Elf32_Sym* esym = ((Elf32_Sym*)symtab_section->data) + sym; + int sect = esym->st_shndx; + ss = findsection(me, sect); + const char *sym_name = strtab_section->data + esym->st_name; + if (ss == 0) + { + fprintf(fdbg, "undefined symbol '%s'\n", sym_name); + continue; + } + if (rel->r_offset > si->data_size) continue; + fprintf(fdbg, "\t0x%X %s\n", ss->sh_addr + esym->st_value, sym_name); + } + } + } +*/ + close_source_file(); + fclose(fdbg); + return 0; +}